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Firefox ESR is free to download from the vendor.
How to Obtain
- Installing Firefox ESR will overwrite your existing installation of Firefox.
- Bookmarks or browsing history will not be lost, but some extensions and other add-ons might not work until updates for them are available.
- Mozilla release notes
Installing and Renewing Certificates in Firefox
- It is not necessary for you to back up your personal certificate locally.
Set a Master Password
- Due to the way Firefox saves usernames and passwords for visited websites, IS&T strongly advises that you set a master password to protect your certificates and any stored passwords.
- Firefox Support: Help and Tutorials
About this Version
Firefox Extended Support Release (ESR) is intended for groups who deploy and maintain the desktop environment in large organizations.
- ESR is designed for Companies and Educational Institutions for increased internal support and access to MIT Systems
- Add the search field to the new tab page
- Block malware from downloaded files
- New security features
- System requirements